diff options
Diffstat (limited to 'activerecord/lib')
36 files changed, 279 insertions, 144 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 8d77fad2d5..07dfc448e7 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -50,7 +50,7 @@ module ActiveRecord def initialize(reflection) through_reflection = reflection.through_reflection source_reflection_names = reflection.source_reflection_names - source_associations = reflection.through_reflection.klass.reflect_on_all_associations.collect { |a| a.name.inspect } + source_associations = reflection.through_reflection.klass._reflections.keys super("Could not find the source association(s) #{source_reflection_names.collect{ |a| a.inspect }.to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)} in model #{through_reflection.klass}. Try 'has_many #{reflection.name.inspect}, :through => #{through_reflection.name.inspect}, :source => <name>'. Is it one of #{source_associations.to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)}?") end end @@ -151,7 +151,7 @@ module ActiveRecord association = association_instance_get(name) if association.nil? - raise AssociationNotFoundError.new(self, name) unless reflection = self.class.reflect_on_association(name) + raise AssociationNotFoundError.new(self, name) unless reflection = self.class._reflect_on_association(name) association = reflection.association_class.new(self, reflection) association_instance_set(name, association) end @@ -1577,6 +1577,8 @@ module ActiveRecord scope = nil end + habtm_reflection = ActiveRecord::Reflection::AssociationReflection.new(:has_and_belongs_to_many, name, scope, options, self) + builder = Builder::HasAndBelongsToMany.new name, self, options join_model = builder.through_model @@ -1590,6 +1592,7 @@ module ActiveRecord Builder::HasMany.define_callbacks self, middle_reflection Reflection.add_reflection self, middle_reflection.name, middle_reflection + middle_reflection.parent_reflection = [name.to_s, habtm_reflection] include Module.new { class_eval <<-RUBY, __FILE__, __LINE__ + 1 @@ -1610,6 +1613,7 @@ module ActiveRecord end has_many name, scope, hm_options, &extension + self._reflections[name.to_s].parent_reflection = [name.to_s, habtm_reflection] end end end diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index 9ad2d2fb12..4a04303fb8 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -160,7 +160,7 @@ module ActiveRecord def marshal_load(data) reflection_name, ivars = data ivars.each { |name, val| instance_variable_set(name, val) } - @reflection = @owner.class.reflect_on_association(reflection_name) + @reflection = @owner.class._reflect_on_association(reflection_name) end def initialize_attributes(record) #:nodoc: diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb index 30b11c01eb..0ad5206980 100644 --- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb @@ -66,13 +66,13 @@ module ActiveRecord::Associations::Builder def self.add_left_association(name, options) belongs_to name, options - self.left_reflection = reflect_on_association(name) + self.left_reflection = _reflect_on_association(name) end def self.add_right_association(name, options) rhs_name = name.to_s.singularize.to_sym belongs_to rhs_name, options - self.right_reflection = reflect_on_association(rhs_name) + self.right_reflection = _reflect_on_association(rhs_name) end } diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index f5e911c739..2727e23870 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -100,7 +100,8 @@ module ActiveRecord # Hence this method. def inverse_updates_counter_cache?(reflection = reflection()) counter_name = cached_counter_attribute_name(reflection) - reflection.klass.reflect_on_all_associations(:belongs_to).any? { |inverse_reflection| + reflection.klass._reflections.values.any? { |inverse_reflection| + :belongs_to == inverse_reflection.macro && inverse_reflection.counter_cache_column == counter_name } end diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index 5842be3a7b..01173b68f3 100644 --- a/activerecord/lib/active_record/associations/join_dependency.rb +++ b/activerecord/lib/active_record/associations/join_dependency.rb @@ -207,7 +207,7 @@ module ActiveRecord end def find_reflection(klass, name) - klass.reflect_on_association(name) or + klass._reflect_on_association(name) or raise ConfigurationError, "Association named '#{ name }' was not found on #{ klass.name }; perhaps you misspelled it?" end diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb index 42571d6af0..7519fec10a 100644 --- a/activerecord/lib/active_record/associations/preloader.rb +++ b/activerecord/lib/active_record/associations/preloader.rb @@ -143,6 +143,7 @@ module ActiveRecord def grouped_records(association, records) h = {} records.each do |record| + next unless record assoc = record.association(association) klasses = h[assoc.reflection] ||= {} (klasses[assoc.klass] ||= []) << record diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb index 53a9c874bf..47c6f94ba7 100644 --- a/activerecord/lib/active_record/attribute_methods/serialization.rb +++ b/activerecord/lib/active_record/attribute_methods/serialization.rb @@ -65,6 +65,8 @@ module ActiveRecord end class Type # :nodoc: + delegate :type, :type_cast_for_database, to: :@column + def initialize(column) @column = column end @@ -77,10 +79,6 @@ module ActiveRecord end end - def type - @column.type - end - def accessor ActiveRecord::Store::IndifferentHashAccessor end diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb index dfebb2cf56..6149ac4906 100644 --- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb +++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb @@ -2,6 +2,8 @@ module ActiveRecord module AttributeMethods module TimeZoneConversion class Type # :nodoc: + delegate :type, :type_cast_for_database, to: :@column + def initialize(column) @column = column end @@ -10,10 +12,6 @@ module ActiveRecord value = @column.type_cast(value) value.acts_like?(:time) ? value.in_time_zone : value end - - def type - @column.type - end end extend ActiveSupport::Concern diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index 1a4d2957ec..2a7acf6787 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -273,9 +273,11 @@ module ActiveRecord # go through nested autosave associations that are loaded in memory (without loading # any new ones), and return true if is changed for autosave def nested_records_changed_for_autosave? - self.class.reflect_on_all_autosave_associations.any? do |reflection| - association = association_instance_get(reflection.name) - association && Array.wrap(association.target).any? { |a| a.changed_for_autosave? } + self.class._reflections.values.any? do |reflection| + if reflection.options[:autosave] + association = association_instance_get(reflection.name) + association && Array.wrap(association.target).any? { |a| a.changed_for_autosave? } + end end end diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index db4d5f0129..8b0fffcf06 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -19,6 +19,7 @@ require 'active_record/errors' require 'active_record/log_subscriber' require 'active_record/explain_subscriber' require 'active_record/relation/delegation' +require 'active_record/properties' module ActiveRecord #:nodoc: # = Active Record @@ -321,6 +322,7 @@ module ActiveRecord #:nodoc: include Reflection include Serialization include Store + include Properties end ActiveSupport.run_load_hooks(:active_record, Base) diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index 75501852ed..f836e60988 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -9,26 +9,22 @@ module ActiveRecord # records are quoted as their primary key return value.quoted_id if value.respond_to?(:quoted_id) + # FIXME: The only case we get an object other than nil or a real column + # is `SchemaStatements#add_column` with a PG array that has a non-empty default + # value. Is this really the only case? Are we missing tests for other types? + # We should have a real column object passed (or nil) here, and check for that + # instead + if column.respond_to?(:type_cast_for_database) + value = column.type_cast_for_database(value) + end + case value when String, ActiveSupport::Multibyte::Chars - value = value.to_s - return "'#{quote_string(value)}'" unless column - - case column.type - when :integer then value.to_i.to_s - when :float then value.to_f.to_s - else - "'#{quote_string(value)}'" - end - - when true, false - if column && column.type == :integer - value ? '1' : '0' - else - value ? quoted_true : quoted_false - end - # BigDecimals need to be put in a non-normalized form and quoted. + "'#{quote_string(value.to_s)}'" + when true then quoted_true + when false then quoted_false when nil then "NULL" + # BigDecimals need to be put in a non-normalized form and quoted. when BigDecimal then value.to_s('F') when Numeric, ActiveSupport::Duration then value.to_s when Date, Time then "'#{quoted_date(value)}'" @@ -47,30 +43,25 @@ module ActiveRecord return value.id end - case value - when String, ActiveSupport::Multibyte::Chars - value = value.to_s - return value unless column - - case column.type - when :integer then value.to_i - when :float then value.to_f - else - value - end + # FIXME: The only case we get an object other than nil or a real column + # is `SchemaStatements#add_column` with a PG array that has a non-empty default + # value. Is this really the only case? Are we missing tests for other types? + # We should have a real column object passed (or nil) here, and check for that + # instead + if column.respond_to?(:type_cast_for_database) + value = column.type_cast_for_database(value) + end - when true, false - if column && column.type == :integer - value ? 1 : 0 - else - value ? 't' : 'f' - end - # BigDecimals need to be put in a non-normalized form and quoted. - when nil then nil + case value + when Symbol, ActiveSupport::Multibyte::Chars + value.to_s + when true then unquoted_true + when false then unquoted_false + # BigDecimals need to be put in a non-normalized form and quoted. when BigDecimal then value.to_s('F') - when Numeric then value when Date, Time then quoted_date(value) - when Symbol then value.to_s + when *types_which_need_no_typecasting + value else to_type = column ? " to #{column.type}" : "" raise TypeError, "can't cast #{value.class}#{to_type}" @@ -109,10 +100,18 @@ module ActiveRecord "'t'" end + def unquoted_true + 't' + end + def quoted_false "'f'" end + def unquoted_false + 'f' + end + def quoted_date(value) if value.acts_like?(:time) zone_conversion_method = ActiveRecord::Base.default_timezone == :utc ? :getutc : :getlocal @@ -124,6 +123,12 @@ module ActiveRecord value.to_s(:db) end + + private + + def types_which_need_no_typecasting + [nil, Numeric, String] + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index d3f8470c30..82e62786ca 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -178,17 +178,6 @@ module ActiveRecord true end - def type_cast(value, column) - case value - when TrueClass - 1 - when FalseClass - 0 - else - super - end - end - # MySQL 4 technically support transaction isolation, but it is affected by a bug # where the transaction level gets persisted for the whole session: # @@ -234,8 +223,6 @@ module ActiveRecord if value.kind_of?(String) && column && column.type == :binary s = value.unpack("H*")[0] "x'#{s}'" - elsif value.kind_of?(BigDecimal) - value.to_s("F") else super end @@ -253,10 +240,18 @@ module ActiveRecord QUOTED_TRUE end + def unquoted_true + 1 + end + def quoted_false QUOTED_FALSE end + def unquoted_false + 0 + end + # REFERENTIAL INTEGRITY ==================================== def disable_referential_integrity #:nodoc: diff --git a/activerecord/lib/active_record/connection_adapters/column.rb b/activerecord/lib/active_record/connection_adapters/column.rb index 42aabd6d7f..86232f9d3f 100644 --- a/activerecord/lib/active_record/connection_adapters/column.rb +++ b/activerecord/lib/active_record/connection_adapters/column.rb @@ -18,7 +18,8 @@ module ActiveRecord alias :encoded? :coder - delegate :type, :precision, :scale, :limit, :klass, :text?, :number?, :binary?, :type_cast_for_write, to: :cast_type + delegate :type, :precision, :scale, :limit, :klass, :text?, :number?, :binary?, + :type_cast_for_write, :type_cast_for_database, to: :cast_type # Instantiates a new column in the table. # diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 4620206e1a..1f327d1f2f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -119,13 +119,13 @@ module ActiveRecord ADAPTER_NAME end - def schema_creation + def schema_creation # :nodoc: PostgreSQL::SchemaCreation.new self end # Adds `:array` option to the default set provided by the # AbstractAdapter - def prepare_column_options(column, types) + def prepare_column_options(column, types) # :nodoc: spec = super spec[:array] = 'true' if column.respond_to?(:array) && column.array spec[:default] = "\"#{column.default_function}\"" if column.default_function @@ -406,7 +406,7 @@ module ActiveRecord private - def get_oid_type(oid, fmod, column_name, sql_type = '') + def get_oid_type(oid, fmod, column_name, sql_type = '') # :nodoc: if !type_map.key?(oid) load_additional_types(type_map, [oid]) end @@ -419,7 +419,7 @@ module ActiveRecord } end - def initialize_type_map(m) + def initialize_type_map(m) # :nodoc: register_class_with_limit m, 'int2', OID::Integer m.alias_type 'int4', 'int2' m.alias_type 'int8', 'int2' @@ -496,7 +496,7 @@ module ActiveRecord end # Extracts the value from a PostgreSQL column default definition. - def extract_value_from_default(default) + def extract_value_from_default(default) # :nodoc: # This is a performance optimization for Ruby 1.9.2 in development. # If the value is nil, we return nil straight away without checking # the regular expressions. If we check each regular expression, @@ -558,15 +558,15 @@ module ActiveRecord end end - def extract_default_function(default_value, default) + def extract_default_function(default_value, default) # :nodoc: default if has_default_function?(default_value, default) end - def has_default_function?(default_value, default) + def has_default_function?(default_value, default) # :nodoc: !default_value && (%r{\w+\(.*\)} === default) end - def load_additional_types(type_map, oids = nil) + def load_additional_types(type_map, oids = nil) # :nodoc: if supports_ranges? query = <<-SQL SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, r.rngsubtype, t.typtype, t.typbasetype @@ -760,16 +760,6 @@ module ActiveRecord end_sql end - def extract_pg_identifier_from_name(name) # :nodoc: - match_data = name.start_with?('"') ? name.match(/\"([^\"]+)\"/) : name.match(/([^\.]+)/) - - if match_data - rest = name[match_data[0].length, name.length] - rest = rest[1, rest.length] if rest.start_with? "." - [match_data[1], (rest.length > 0 ? rest : nil)] - end - end - def extract_table_ref_from_insert_sql(sql) # :nodoc: sql[/into\s+([^\(]*).*values\s*\(/im] $1.strip if $1 diff --git a/activerecord/lib/active_record/connection_adapters/type/binary.rb b/activerecord/lib/active_record/connection_adapters/type/binary.rb index 4b2d1a66e0..60afe44de1 100644 --- a/activerecord/lib/active_record/connection_adapters/type/binary.rb +++ b/activerecord/lib/active_record/connection_adapters/type/binary.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Binary < Value # :nodoc: + class Binary < Value def type :binary end diff --git a/activerecord/lib/active_record/connection_adapters/type/boolean.rb b/activerecord/lib/active_record/connection_adapters/type/boolean.rb index 2337bdd563..0d97379189 100644 --- a/activerecord/lib/active_record/connection_adapters/type/boolean.rb +++ b/activerecord/lib/active_record/connection_adapters/type/boolean.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Boolean < Value # :nodoc: + class Boolean < Value def type :boolean end diff --git a/activerecord/lib/active_record/connection_adapters/type/date.rb b/activerecord/lib/active_record/connection_adapters/type/date.rb index 1e7205fd0b..e8becbe1f4 100644 --- a/activerecord/lib/active_record/connection_adapters/type/date.rb +++ b/activerecord/lib/active_record/connection_adapters/type/date.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Date < Value # :nodoc: + class Date < Value def type :date end diff --git a/activerecord/lib/active_record/connection_adapters/type/date_time.rb b/activerecord/lib/active_record/connection_adapters/type/date_time.rb index c34f4c5a53..64f5d05301 100644 --- a/activerecord/lib/active_record/connection_adapters/type/date_time.rb +++ b/activerecord/lib/active_record/connection_adapters/type/date_time.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class DateTime < Value # :nodoc: + class DateTime < Value include TimeValue def type diff --git a/activerecord/lib/active_record/connection_adapters/type/decimal.rb b/activerecord/lib/active_record/connection_adapters/type/decimal.rb index ac5af4b963..e93906ba19 100644 --- a/activerecord/lib/active_record/connection_adapters/type/decimal.rb +++ b/activerecord/lib/active_record/connection_adapters/type/decimal.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Decimal < Value # :nodoc: + class Decimal < Value include Numeric def type diff --git a/activerecord/lib/active_record/connection_adapters/type/float.rb b/activerecord/lib/active_record/connection_adapters/type/float.rb index 51cfa5d86a..f2427d2dfa 100644 --- a/activerecord/lib/active_record/connection_adapters/type/float.rb +++ b/activerecord/lib/active_record/connection_adapters/type/float.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Float < Value # :nodoc: + class Float < Value include Numeric def type @@ -12,6 +12,8 @@ module ActiveRecord ::Float end + alias type_cast_for_database type_cast + private def cast_value(value) diff --git a/activerecord/lib/active_record/connection_adapters/type/integer.rb b/activerecord/lib/active_record/connection_adapters/type/integer.rb index 8f3469434c..596f4de2a8 100644 --- a/activerecord/lib/active_record/connection_adapters/type/integer.rb +++ b/activerecord/lib/active_record/connection_adapters/type/integer.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Integer < Value # :nodoc: + class Integer < Value include Numeric def type @@ -12,6 +12,8 @@ module ActiveRecord ::Fixnum end + alias type_cast_for_database type_cast + private def cast_value(value) diff --git a/activerecord/lib/active_record/connection_adapters/type/string.rb b/activerecord/lib/active_record/connection_adapters/type/string.rb index 55f0e1ee1c..471f949e09 100644 --- a/activerecord/lib/active_record/connection_adapters/type/string.rb +++ b/activerecord/lib/active_record/connection_adapters/type/string.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class String < Value # :nodoc: + class String < Value def type :string end diff --git a/activerecord/lib/active_record/connection_adapters/type/text.rb b/activerecord/lib/active_record/connection_adapters/type/text.rb index ee5842a3fc..61095ebb38 100644 --- a/activerecord/lib/active_record/connection_adapters/type/text.rb +++ b/activerecord/lib/active_record/connection_adapters/type/text.rb @@ -3,7 +3,7 @@ require 'active_record/connection_adapters/type/string' module ActiveRecord module ConnectionAdapters module Type - class Text < String # :nodoc: + class Text < String def type :text end diff --git a/activerecord/lib/active_record/connection_adapters/type/time.rb b/activerecord/lib/active_record/connection_adapters/type/time.rb index 4dd201e3fe..bc331b0fa7 100644 --- a/activerecord/lib/active_record/connection_adapters/type/time.rb +++ b/activerecord/lib/active_record/connection_adapters/type/time.rb @@ -1,7 +1,7 @@ module ActiveRecord module ConnectionAdapters module Type - class Time < Value # :nodoc: + class Time < Value include TimeValue def type diff --git a/activerecord/lib/active_record/connection_adapters/type/value.rb b/activerecord/lib/active_record/connection_adapters/type/value.rb index 54a3e9dd7a..60b443004c 100644 --- a/activerecord/lib/active_record/connection_adapters/type/value.rb +++ b/activerecord/lib/active_record/connection_adapters/type/value.rb @@ -1,9 +1,11 @@ module ActiveRecord module ConnectionAdapters module Type - class Value # :nodoc: + class Value attr_reader :precision, :scale, :limit + # Valid options are +precision+, +scale+, and +limit+. + # They are only used when dumping schema. def initialize(options = {}) options.assert_valid_keys(:precision, :scale, :limit) @precision = options[:precision] @@ -11,8 +13,13 @@ module ActiveRecord @limit = options[:limit] end + # The simplified that this object represents. Subclasses + # should override this method. def type; end + # Takes an input from the database, or from attribute setters, + # and casts it to a type appropriate for this object. This method + # should not be overriden by subclasses. Instead, override `cast_value`. def type_cast(value) cast_value(value) unless value.nil? end @@ -21,6 +28,10 @@ module ActiveRecord value end + def type_cast_for_database(value) + type_cast_for_write(value) + end + def text? false end @@ -39,7 +50,9 @@ module ActiveRecord private - def cast_value(value) + # Responsible for casting values from external sources to the appropriate + # type. Called by `type_cast` for all values except `nil`. + def cast_value(value) # :api: public value end end diff --git a/activerecord/lib/active_record/counter_cache.rb b/activerecord/lib/active_record/counter_cache.rb index 71e176a328..05c4b13016 100644 --- a/activerecord/lib/active_record/counter_cache.rb +++ b/activerecord/lib/active_record/counter_cache.rb @@ -20,7 +20,7 @@ module ActiveRecord def reset_counters(id, *counters) object = find(id) counters.each do |counter_association| - has_many_association = reflect_on_association(counter_association.to_sym) + has_many_association = _reflect_on_association(counter_association.to_sym) unless has_many_association has_many = reflect_on_all_associations(:has_many) has_many_association = has_many.find { |association| association.counter_cache_column && association.counter_cache_column.to_sym == counter_association.to_sym } @@ -34,8 +34,7 @@ module ActiveRecord foreign_key = has_many_association.foreign_key.to_s child_class = has_many_association.klass - belongs_to = child_class.reflect_on_all_associations(:belongs_to) - reflection = belongs_to.find { |e| e.foreign_key.to_s == foreign_key && e.options[:counter_cache].present? } + reflection = child_class._reflections.values.find { |e| :belongs_to == e.macro && e.foreign_key.to_s == foreign_key && e.options[:counter_cache].present? } counter_name = reflection.counter_cache_column stmt = unscoped.where(arel_table[primary_key].eq(object.id)).arel.compile_update({ @@ -167,7 +166,7 @@ module ActiveRecord end def each_counter_cached_associations - reflections.each do |name, reflection| + _reflections.each do |name, reflection| yield association(name) if reflection.belongs_to? && reflection.counter_cache_column end end diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 47d32fae05..d40bea5ea7 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -649,7 +649,7 @@ module ActiveRecord model_class end - reflection_class.reflect_on_all_associations.each do |association| + reflection_class._reflections.values.each do |association| case association.macro when :belongs_to # Do not replace association name with association foreign key if they are named the same diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 8449fb1266..a4e10ed2e7 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -217,16 +217,6 @@ module ActiveRecord connection.schema_cache.table_exists?(table_name) end - # Returns an array of column objects for the table associated with this class. - def columns - connection.schema_cache.columns(table_name) - end - - # Returns a hash of column objects for the table associated with this class. - def columns_hash - connection.schema_cache.columns_hash(table_name) - end - def column_types # :nodoc: @column_types ||= decorate_columns(columns_hash.dup) end diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index 29ed499b1b..7dc7169a02 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -305,7 +305,7 @@ module ActiveRecord options[:reject_if] = REJECT_ALL_BLANK_PROC if options[:reject_if] == :all_blank attr_names.each do |association_name| - if reflection = reflect_on_association(association_name) + if reflection = _reflect_on_association(association_name) reflection.autosave = true add_autosave_association_callbacks(reflection) @@ -542,7 +542,7 @@ module ActiveRecord end def raise_nested_attributes_record_not_found!(association_name, record_id) - raise RecordNotFound, "Couldn't find #{self.class.reflect_on_association(association_name).klass.name} with ID=#{record_id} for #{self.class.name} with ID=#{id}" + raise RecordNotFound, "Couldn't find #{self.class._reflect_on_association(association_name).klass.name} with ID=#{record_id} for #{self.class.name} with ID=#{id}" end end end diff --git a/activerecord/lib/active_record/properties.rb b/activerecord/lib/active_record/properties.rb new file mode 100644 index 0000000000..a5d724de0e --- /dev/null +++ b/activerecord/lib/active_record/properties.rb @@ -0,0 +1,95 @@ +module ActiveRecord + module Properties + extend ActiveSupport::Concern + + Type = ConnectionAdapters::Type + + module ClassMethods + # Defines or overrides a property on this model. This allows customization of + # Active Record's type casting behavior, as well as adding support for user defined + # types. + # + # ==== Examples + # + # The type detected by Active Record can be overriden. + # + # # db/schema.rb + # create_table :store_listings, force: true do |t| + # t.decimal :price_in_cents + # end + # + # # app/models/store_listing.rb + # class StoreListing < ActiveRecord::Base + # end + # + # store_listing = StoreListing.new(price_in_cents: '10.1') + # + # # before + # store_listing.price_in_cents # => BigDecimal.new(10.1) + # + # class StoreListing < ActiveRecord::Base + # property :price_in_cents, Type::Integer.new + # end + # + # # after + # store_listing.price_in_cents # => 10 + # + # Users may also define their own custom types, as long as they respond to the methods + # defined on the value type. The `type_cast` method on your type object will be called + # with values both from the database, and from your controllers. See + # `ActiveRecord::Properties::Type::Value` for the expected API. It is recommended that your + # type objects inherit from an existing type, or the base value type. + # + # class MoneyType < ActiveRecord::Type::Integer + # def type_cast(value) + # if value.include?('$') + # price_in_dollars = value.gsub(/\$/, '').to_f + # price_in_dollars * 100 + # else + # value.to_i + # end + # end + # end + # + # class StoreListing < ActiveRecord::Base + # property :price_in_cents, MoneyType.new + # end + # + # store_listing = StoreListing.new(price_in_cents: '$10.00') + # store_listing.price_in_cents # => 1000 + def property(name, cast_type) + name = name.to_s + user_provided_columns[name] = ConnectionAdapters::Column.new(name, nil, cast_type) + end + + # Returns an array of column objects for the table associated with this class. + def columns + @columns ||= add_user_provided_columns(connection.schema_cache.columns(table_name)) + end + + # Returns a hash of column objects for the table associated with this class. + def columns_hash + @columns_hash ||= Hash[columns.map { |c| [c.name, c] }] + end + + def reset_column_information # :nodoc: + super + + @columns = nil + @columns_hash = nil + end + + private + + def user_provided_columns + @user_provided_columns ||= {} + end + + def add_user_provided_columns(schema_columns) + schema_columns.reject { |column| + user_provided_columns.key? column.name + } + user_provided_columns.values + end + end + end +end diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 0eec6774a0..dd80ec6274 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -6,9 +6,9 @@ module ActiveRecord extend ActiveSupport::Concern included do - class_attribute :reflections + class_attribute :_reflections class_attribute :aggregate_reflections - self.reflections = {} + self._reflections = {} self.aggregate_reflections = {} end @@ -24,7 +24,7 @@ module ActiveRecord end def self.add_reflection(ar, name, reflection) - ar.reflections = ar.reflections.merge(name.to_s => reflection) + ar._reflections = ar._reflections.merge(name.to_s => reflection) end def self.add_aggregate_reflection(ar, name, reflection) @@ -53,6 +53,24 @@ module ActiveRecord aggregate_reflections[aggregation.to_s] end + # Returns a Hash of name of the reflection as the key and a AssociationReflection as the value. + # + # Account.reflections # => {balance: AggregateReflection} + # + # @api public + def reflections + ref = {} + _reflections.each do |name, reflection| + parent_name, parent_reflection = reflection.parent_reflection + if parent_name + ref[parent_name] = parent_reflection + else + ref[name] = reflection + end + end + ref + end + # Returns an array of AssociationReflection objects for all the # associations in the class. If you only want to reflect on a certain # association type, pass in the symbol (<tt>:has_many</tt>, <tt>:has_one</tt>, @@ -63,6 +81,7 @@ module ActiveRecord # Account.reflect_on_all_associations # returns an array of all associations # Account.reflect_on_all_associations(:has_many) # returns an array of all has_many associations # + # @api public def reflect_on_all_associations(macro = nil) association_reflections = reflections.values macro ? association_reflections.select { |reflection| reflection.macro == macro } : association_reflections @@ -73,11 +92,19 @@ module ActiveRecord # Account.reflect_on_association(:owner) # returns the owner AssociationReflection # Invoice.reflect_on_association(:line_items).macro # returns :has_many # + # @api public def reflect_on_association(association) reflections[association.to_s] end + # @api private + def _reflect_on_association(association) #:nodoc: + _reflections[association.to_s] + end + # Returns an array of AssociationReflection objects for all associations which have <tt>:autosave</tt> enabled. + # + # @api public def reflect_on_all_autosave_associations reflections.values.select { |reflection| reflection.options[:autosave] } end @@ -129,6 +156,10 @@ module ActiveRecord def autosave=(autosave) @automatic_inverse_of = false @options[:autosave] = autosave + _, parent_reflection = self.parent_reflection + if parent_reflection + parent_reflection.autosave = autosave + end end # Returns the class for the macro. @@ -193,10 +224,11 @@ module ActiveRecord end attr_reader :type, :foreign_type + attr_accessor :parent_reflection # [:name, Reflection] def initialize(macro, name, scope, options, active_record) super - @collection = :has_many == macro + @collection = [:has_many, :has_and_belongs_to_many].include?(macro) @automatic_inverse_of = nil @type = options[:as] && "#{options[:as]}_type" @foreign_type = options[:foreign_type] || "#{name}_type" @@ -330,12 +362,12 @@ Joining, Preloading and eager loading of these associations is deprecated and wi def inverse_of return unless inverse_name - @inverse_of ||= klass.reflect_on_association inverse_name + @inverse_of ||= klass._reflect_on_association inverse_name end def polymorphic_inverse_of(associated_class) if has_inverse? - if inverse_relationship = associated_class.reflect_on_association(options[:inverse_of]) + if inverse_relationship = associated_class._reflect_on_association(options[:inverse_of]) inverse_relationship else raise InverseOfAssociationNotFoundError.new(self, associated_class) @@ -436,7 +468,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi inverse_name = ActiveSupport::Inflector.underscore(active_record.name).to_sym begin - reflection = klass.reflect_on_association(inverse_name) + reflection = klass._reflect_on_association(inverse_name) rescue NameError # Give up: we couldn't compute the klass type so we won't be able # to find any associations either. @@ -535,7 +567,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi # # => <ActiveRecord::Reflection::AssociationReflection: @macro=:belongs_to, @name=:tag, @active_record=Tagging, @plural_name="tags"> # def source_reflection - through_reflection.klass.reflect_on_association(source_reflection_name) + through_reflection.klass._reflect_on_association(source_reflection_name) end # Returns the AssociationReflection object specified in the <tt>:through</tt> option @@ -551,7 +583,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi # # => <ActiveRecord::Reflection::AssociationReflection: @macro=:has_many, @name=:taggings, @active_record=Post, @plural_name="taggings"> # def through_reflection - active_record.reflect_on_association(options[:through]) + active_record._reflect_on_association(options[:through]) end # Returns an array of reflections which are involved in this association. Each item in the @@ -658,7 +690,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi names = [name.to_s.singularize, name].collect { |n| n.to_sym }.uniq names = names.find_all { |n| - through_reflection.klass.reflect_on_association(n) + through_reflection.klass._reflect_on_association(n) } if names.length > 1 diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 56cf9bcd27..d155517b18 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -277,7 +277,7 @@ module ActiveRecord group_attrs = group_values if group_attrs.first.respond_to?(:to_sym) - association = @klass.reflect_on_association(group_attrs.first.to_sym) + association = @klass._reflect_on_association(group_attrs.first.to_sym) associated = group_attrs.size == 1 && association && association.macro == :belongs_to # only count belongs_to associations group_fields = Array(associated ? association.foreign_key : group_attrs) else diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index d40f276968..eff5c8f09c 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -26,7 +26,7 @@ module ActiveRecord queries << '1=0' else table = Arel::Table.new(column, default_table.engine) - association = klass.reflect_on_association(column.to_sym) + association = klass._reflect_on_association(column.to_sym) value.each do |k, v| queries.concat expand(association && association.klass, table, k, v) @@ -55,7 +55,7 @@ module ActiveRecord # # For polymorphic relationships, find the foreign key and type: # PriceEstimate.where(estimate_of: treasure) - if klass && reflection = klass.reflect_on_association(column.to_sym) + if klass && reflection = klass._reflect_on_association(column.to_sym) if reflection.polymorphic? && base_class = polymorphic_base_class_from_value(value) queries << build(table[reflection.foreign_type], base_class) end diff --git a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb index 2f6c34ac08..78dba8be06 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb @@ -2,28 +2,33 @@ module ActiveRecord class PredicateBuilder class ArrayHandler # :nodoc: def call(attribute, value) + return attribute.in([]) if value.empty? + values = value.map { |x| x.is_a?(Base) ? x.id : x } ranges, values = values.partition { |v| v.is_a?(Range) } + nils, values = values.partition(&:nil?) - values_predicate = if values.include?(nil) - values = values.compact - + values_predicate = case values.length - when 0 - attribute.eq(nil) - when 1 - attribute.eq(values.first).or(attribute.eq(nil)) - else - attribute.in(values).or(attribute.eq(nil)) + when 0 then NullPredicate + when 1 then attribute.eq(values.first) + else attribute.in(values) end - else - attribute.in(values) + + unless nils.empty? + values_predicate = values_predicate.or(attribute.eq(nil)) end array_predicates = ranges.map { |range| attribute.in(range) } array_predicates << values_predicate array_predicates.inject { |composite, predicate| composite.or(predicate) } end + + module NullPredicate + def self.or(other) + other + end + end end end end diff --git a/activerecord/lib/active_record/validations/presence.rb b/activerecord/lib/active_record/validations/presence.rb index 9a19483da3..e586744818 100644 --- a/activerecord/lib/active_record/validations/presence.rb +++ b/activerecord/lib/active_record/validations/presence.rb @@ -4,7 +4,7 @@ module ActiveRecord def validate(record) super attributes.each do |attribute| - next unless record.class.reflect_on_association(attribute) + next unless record.class._reflect_on_association(attribute) associated_records = Array.wrap(record.send(attribute)) # Superclass validates presence. Ensure present records aren't about to be destroyed. diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index ee080451a9..b6fccc9b94 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -47,7 +47,7 @@ module ActiveRecord end def build_relation(klass, table, attribute, value) #:nodoc: - if reflection = klass.reflect_on_association(attribute) + if reflection = klass._reflect_on_association(attribute) attribute = reflection.foreign_key value = value.attributes[reflection.primary_key_column.name] unless value.nil? end @@ -74,7 +74,7 @@ module ActiveRecord def scope_relation(record, table, relation) Array(options[:scope]).each do |scope_item| - if reflection = record.class.reflect_on_association(scope_item) + if reflection = record.class._reflect_on_association(scope_item) scope_value = record.send(reflection.foreign_key) scope_item = reflection.foreign_key else |